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Silver ores and native gold have t...

Silver ores and native gold have to be leached with metal cyanides. Suggest a reason for this.

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The metal extracted by leaching with cyanide is

Mercury, silver and gold are very reactive metals.

Assertion : Silver and gold are extracted from their ores by the process of leaching with dilute NaCN. Reason : Impurities associated with these ores dissolve in NaCN.

For which of the following ores leaching is done by cyanide:

PRADEEP-GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS -ADDITIONAL QUESTIONS (SHORT ANSWER QUESTIONS)
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  2. Mention the role of cryolite in the extraction of aluminium.

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  3. Silver ores and native gold have to be leached with metal cya...

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  4. Describe the role of the following : (i) NaCN in the extractio...

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  10. Differentiate between the following : (i) Flux and slag (ii...

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